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6 questions Advanced

## ECADEMY test

### Air Conditioning

This course test contains 6 questions and can be retaken at any time.

You must answer all questions correctly to pass the test and complete the course.

Question 1 of 6 Advanced

Question 2 of 6 Advanced

Question 3 of 6 Advanced

Question 4 of 6 Advanced

Question 5 of 6 Advanced

Question 6 of 6 Advanced

Question 6 of 6 Advanced

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**Q:**For which control mode is the following true: The head is adjusted according to differential pressure measurements in a reference point, and the head decreases when the flow is reduced.

**A:**Temperature control mode

**01:**Temperature control mode Your answer

**02:**Proportional differential pressure mode (calculated)

**03:**Proportional differential pressure mode (measured)

**Q:**For which control mode is the following true: The head is adjusted according to differential pressure measurements in a reference point, and the head decreases when the flow is reduced.

**A:**Proportional differential pressure mode (calculated)

**01:**Temperature control mode

**02:**Proportional differential pressure mode (calculated) Your answer

**03:**Proportional differential pressure mode (measured)

**Q:**For which control mode is the following true: The head is adjusted according to differential pressure measurements in a reference point, and the head decreases when the flow is reduced.

**A:**Proportional differential pressure mode (measured)

**Q:**Why is it important to understand the effects of control modes in an air conditioning system?

**A:**The right control mode means reduced energy consumption and savings

**Q:**Why is it important to understand the effects of control modes in an air conditioning system?

**A:**The wrong control mode can damage the pumps

**01:**The right control mode means reduced energy consumption and savings

**02:**The wrong control mode can damage the pumps Your answer

**03:**The wrong control mode results in excessive water usage

**Q:**Why is it important to understand the effects of control modes in an air conditioning system?

**A:**The wrong control mode results in excessive water usage

**01:**The right control mode means reduced energy consumption and savings

**02:**The wrong control mode can damage the pumps

**03:**The wrong control mode results in excessive water usage Your answer

**Q:**What needs to be done in order to change a constant flow system with 3-way valves?

**A:**Replace secondary constant speed pumps with speed controlled pumps

**01:**Replace secondary constant speed pumps with speed controlled pumps Your answer

**02:**Replace 3-way valves with 2-way valves

**03:**Replace constant speed pumps with speed controlled pumps and replace 3-way valves with 2-way valves

**Q:**What needs to be done in order to change a constant flow system with 3-way valves?

**A:**Replace 3-way valves with 2-way valves

**01:**Replace secondary constant speed pumps with speed controlled pumps

**02:**Replace 3-way valves with 2-way valves Your answer

**03:**Replace constant speed pumps with speed controlled pumps and replace 3-way valves with 2-way valves

**Q:**What needs to be done in order to change a constant flow system with 3-way valves?

**A:**Replace constant speed pumps with speed controlled pumps and replace 3-way valves with 2-way valves

**Q:**For which control mode is the following true: The performance of the pump is adjusted to the performance of the cooling tower, and keeps the water fed to the condenser at a constant temperature.

**A:**Proportional differential pressure mode (calculated)

**01:**Proportional differential pressure mode (calculated) Your answer

**02:**Proportional differential pressure mode (measured)

**03:**Temperature control mode

**Q:**For which control mode is the following true: The performance of the pump is adjusted to the performance of the cooling tower, and keeps the water fed to the condenser at a constant temperature.

**A:**Proportional differential pressure mode (measured)

**01:**Proportional differential pressure mode (calculated)

**02:**Proportional differential pressure mode (measured) Your answer

**03:**Temperature control mode

**Q:**For which control mode is the following true: The performance of the pump is adjusted to the performance of the cooling tower, and keeps the water fed to the condenser at a constant temperature.

**A:**Temperature control mode

**Q:**How many control modes are relevant for an air conditioning system?

**A:**3

**01:**3 Your answer

**02:**4

**03:**5

**Q:**How many control modes are relevant for an air conditioning system?

**A:**4

**01:**3

**02:**4 Your answer

**03:**5

**Q:**How many control modes are relevant for an air conditioning system?

**A:**5

**Q:**For which control mode is the following true: The pump head and speed is adjusted according to a setting in the pump.

**A:**Proportional differential pressure mode (calculated)

**Q:**For which control mode is the following true: The pump head and speed is adjusted according to a setting in the pump.

**A:**Proportional differential pressure mode (measured)

**01:**Proportional differential pressure mode (calculated)

**02:**Proportional differential pressure mode (measured) Your answer

**03:**Temperature control mode

**Q:**For which control mode is the following true: The pump head and speed is adjusted according to a setting in the pump.

**A:**Temperature control mode

**01:**Proportional differential pressure mode (calculated)

**02:**Proportional differential pressure mode (measured)

**03:**Temperature control mode Your answer